New research suggests left-handed people may be more competitive than right-handers, offering clues to an evolutionary advantage.

A recent study suggests that left-handed people have an advantage in competitive contexts, while righties tend to cooperate ...

Both left-handedness and breast cancer are affected by sex hormones, and some studies suggested a link. Others, however, did not. A meta-analysis weighed the evidence.

Picture this: You're signing a credit card receipt at the bank, using one of those pens attached to a short chain. As a left-handed person, you awkwardly ...

Ever wondered why most people favour their right hand, while a smaller group prefers the left? Handedness isn’t just a random choice, it’s a fascinating mix of brain structure, genetics, and early ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." It's possible you know someone who is left handed or perhaps you're a lefty. Aside from the fact that ...

It's International Left-Handers Day, a celebration founded by the Left-Handers Club to honor leftie style. Now in its 17th year, the day has been celebrated with right vs. left sports matches, ...